TS EAMCET · Physics · Alternating Current
In an ideal step up transformer, if the input voltage and input power are \(\mathrm{V}_1\) and \(\mathrm{P}_1\) respectively and the output voltage and output power are \(\mathrm{V}_2\) and \(\mathrm{P}_2\) respectively, then
- A \(\mathrm{V}_1=\mathrm{V}_2 ; \mathrm{P}_1=\mathrm{P}_2\)
- B \(\mathrm{V}_1>\mathrm{V}_2 ; \mathrm{P}_1>\mathrm{P}_2\)
- C \(\mathrm{V}_1 < \mathrm{V}_2 ; \mathrm{P}_1 < \mathrm{P}_2\)
- D \(\mathrm{V}_1 < \mathrm{V}_2 ; \mathrm{P}_1=\mathrm{P}_2\)
Answer & Solution
Correct Answer
(D) \(\mathrm{V}_1 < \mathrm{V}_2 ; \mathrm{P}_1=\mathrm{P}_2\)
Step-by-step Solution
Detailed explanation
In step up transformer the output voltage is greater than input voltage because the number of turns on the secondary is more than the number of turns in the primary. Therefore \(\mathrm{V}_2>\mathrm{V}_1\) Input power is equal to output power.…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- At what distance from a biconvex lens of the focal length \(F\), must be placed an object for the distance between the object and its real image to be minimal?TS EAMCET 2018 Easy
- An alphabet ' \(T\) made of two similar thin uniform metal plates of each length ' \(L\) ' and width ' \(a\) ' is placed on a horizontal surface as shown in the figure. If the alphabet is vertically inverted, the shift in the position of its centre of mass from the horizontal surface isTS EAMCET 2024 Medium
- An observer is standing \(500 \mathrm{~m}\) away from a vertical hill. Starting between the observer and the hill, a police van sounding a siren of frequency \(1000 \mathrm{~Hz}\) moves towards the hill with a uniform speed. If the frequency of the sound heard directly from the siren is \(970 \mathrm{~Hz}\), the frequency of the sound heard after reflection from the hill (in Hz) is about, (velocity of sound \(=330 \mathrm{~ms}^{-1}\) ) :TS EAMCET 2006 Hard
- A particle is acted upon by a force of constant magnitude such that its velocity and acceleration are always perpendicular to each other, then itsTS EAMCET 2025 Medium
- In the pulley system, the mass of ball is 1.2 times greater than the mass of the rod. The length of the rod is \(50 \mathrm{~cm}\). The ball is set on the same level as the lower end of the rod and then released. What is the acceleration of the rod with which it comes down? Assume the pulleys and threads are massless and friction force is neglected. (Use, \(g=10 \mathrm{~m} / \mathrm{s}^2\) )
TS EAMCET 2020 Medium - A particle moves in a circle with speed \(v\) varying with time as \(v(t)=2 t\). The total acceleration of the particle after it completes 2 rounds of cycle isTS EAMCET 2018 Medium
More PYQs from TS EAMCET
- A bullet of mass \(m_1\) is moving with speed \(v_0\) hits a sand bag of mass \(m_2\). If the speed of the bullet after passing the sand bag is \(\frac{v_0}{3}\), then the height \(h\) upto which the bag rises is (assume, \(g=\) acceleration due to gravity)
TS EAMCET 2020 Easy - The displacements of two particles of same mass executing SHM are represented by the equations \(x_1=4 \sin \left(10 t+\frac{\pi}{6}\right) \text { and } x_2=5 \cos (\omega t) .\) The value of \(\omega\) for which the energies of both the particles remain same isTS EAMCET 2010 Medium
- In the pulley system shown in the figure, the mass of \(A\) is half of that of \(\operatorname{rod} B\). The rod length is \(500 \mathrm{~cm}\). The mass of pulleys and the threads may be neglected. The mass \(A\) is set at the same level as the lower end of the rod and then released. After releasing the mass \(A\), it would reach the top end of the rod \(B\) in time (Assume, \(g=10 \mathrm{~m} / \mathrm{s}^2\) )
TS EAMCET 2019 Medium - A generator produces a current of \(100 \mathrm{~A}\) at \(4000 \mathrm{~V}\). The voltage is stepped up to \(2 \times 10^5 \mathrm{~V}\) by a transformer before being sent on a high voltage transmission line of resistance \(50 \Omega\). The percentage of power loss in the transmission line isTS EAMCET 2022 Easy
- In the circuit shown, the heat produced in \(5 \Omega\) resistance due to current through is \(50 \mathrm{~J} / \mathrm{s}\). Then, the heat generated per second in \(2 \Omega\) resistance is
TS EAMCET 2014 Easy - A monochromatic radiation of wavelength \(\lambda\) is incident on a hydrogen sample in ground state. The sample subsequently emits radiation of six different wavelengths, then the value of \(\lambda\) is [Use ch \(=1242 \mathrm{eV}-\mathrm{m}\) ]TS EAMCET 2021 Medium